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hi there i have a 1994 4.3l caprice with a heat problem since im in canada and we are in october it needs to be fixed quickly!!!:confused: nywayz set the heat on whatever speed nothing happends i put my hand in front of the vent a little quantity of hot air comes out of it... but the fans dont seem to work i can'T hear the blower at all...can someone help me with that!
 

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Sounds like like the blower motor went out if you don't have all speeds, if it worked in high only then the blower motor resistor would of been bad. Also check the 20 amp fuse in the fuse panel on left hand side of the dash it will be labeled HVAC BLO FUSE and it will be a 20 amp unit.
 

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If that doesn't pan out, check the switch in the control head.
 
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